Utilities
n. 实用工具, 实用程序；公共事业设备；公用事业；公用程式（utility的复数）
🗣️ 情景例句
That's it.
就这样。
I'm afraid I don't know. Let me ask the supervisor in this section.
恐怕我不知道，让我来询问一下该组的负责人。
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。